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July 12, 2017
Music
Decanted Youth - 1 -- [5:38]
Decanted Youth - 2 -- [5:06]
Decanted Youth - 3 -- [5:51]
Decanted Youth - 4 -- [3:50]
Decanted Youth - 5 -- [7:51]
Decanted Youth - 6 -- [14:29]
Decanted Youth - 7 -- [2:38]
Decanted Youth - 8 -- [10:09]
Decanted Youth - 9 -- [11:23]
Decanted Youth - 10 -- [3:55]
Decanted Youth - 11 - Ride the Swell / Lights Out / Storms (Instrumental) -- [16:04]
Decanted Youth - 12 - Had I Known -- [12:45]
Decanted Youth - 13 -- [9:21]
Decanted Youth - 14 -- [7:27]


July 9, 2017
Music
cory_andre_anette_andy - 1 -- [8:49]
cory_andre_anette_andy - 2 -- [4:13]
cory_andre_anette_andy - 3 -- [6:32]
cory_andre_anette_andy - 4 -- [4:15]
cory_andre_anette_andy - 5 -- [4:41]
cory_andre_anette_andy - 6 -- [11:53]
cory_andre_anette_andy - 7 -- [5:39]
cory_andre_anette_andy - 8 -- [5:34]
cory_andre_anette_andy - 9 -- [4:29]
cory_andre_anette_andy - 10 -- [5:26]
cory_andre_anette_andy - 11 -- [4:05]
cory_andre_anette_andy - 12 -- [4:02]
cory_andre_anette_andy - 13 -- [10:50]
cory_andre_anette_andy - 14 -- [5:42]
cory_andre_anette_andy - 15 -- [4:05]
cory_andre_anette_andy - 16 -- [3:29]


July 5, 2017
Music
Decanted Youth - 1 - No Surprises (cover) -- [2:54]
Decanted Youth - 2 -- [2:32]
Decanted Youth - 3 - Floods and Lava -- [9:13]
Decanted Youth - 4 - Fighter Planes Do Fall -- [9:37]
Decanted Youth - 5 - Dream for Awhile -- [11:05]
Decanted Youth - 6 -- [5:43]
Decanted Youth - 7 -- [4:47]
Decanted Youth - 8 - When the Lights Go Down -- [12:13]
Decanted Youth - 9 -- [5:40]
Decanted Youth - 10 -- [4:00]
Decanted Youth - 11 -- [3:14]
Decanted Youth - 12 -- [11:48]
Decanted Youth - 13 -- [16:34]


July 3, 2017
oil (wip)



1 Comment


July 2, 2017
oil



2 Comments


July 2, 2017
oil



2 Comments


June 30, 2017
Music
Not Vampires - 1 -- [3:04]
Not Vampires - 2 -- [8:06]
Not Vampires - 3 -- [14:03]
Not Vampires - 4 -- [4:54]
Not Vampires - 5 -- [3:24]
Not Vampires - 6 -- [3:25]
Not Vampires - 7 -- [12:48]
Not Vampires - 8 -- [6:31]
Not Vampires - 9 -- [5:32]
Not Vampires - 10 -- [6:31]
Not Vampires - 11 -- [12:31]
Not Vampires - 12 -- [3:44]
Not Vampires - 13 -- [4:09]
Not Vampires - 14 -- [6:27]
Not Vampires - 15 -- [5:38]


June 28, 2017
Music
live solo improv: thanks a lot wmis super8


June 25, 2017
Music
cory_andre_anette - 1 -- [4:10]
cory_andre_anette - 2 -- [5:47]
cory_andre_anette - 3 -- [5:28]
cory_andre_anette - 4 -- [7:41]
cory_andre_anette - 5 -- [5:18]
cory_andre_anette - 6 -- [6:35]
cory_andre_anette - 7 -- [6:23]
cory_andre_anette - 8 -- [4:55]
cory_andre_anette - 9 -- [5:05]
cory_andre_anette - 10 -- [3:42]
cory_andre_anette - 11 -- [4:20]
cory_andre_anette - 12 -- [5:38]
cory_andre_anette - 13 -- [13:27]
cory_andre_anette - 14 -- [18:29]


June 22, 2017
Music
three fools


June 15, 2017
Music
Not Vampires - 1 -- [8:26]
Not Vampires - 2 -- [5:31]
Not Vampires - 3 -- [8:15]
Not Vampires - 4 -- [3:34]
Not Vampires - 5 -- [6:11]
Not Vampires - 6 -- [10:40]
Not Vampires - 7 -- [5:08]
Not Vampires - 8 -- [5:12]
Not Vampires - 9 -- [5:36]
Not Vampires - 10 -- [9:23]
Not Vampires - 11 -- [3:31]
Not Vampires - 12 -- [9:40]
Not Vampires - 13 -- [15:43]
Not Vampires - 14 -- [4:23]
Not Vampires - 15 -- [4:13]
Not Vampires - 16 -- [5:26]
Not Vampires - 17 -- [4:23]


June 7, 2017
Music
andy_tadzio - 1 -- [7:04]
andy_tadzio - 2 -- [6:09]
andy_tadzio - 3 -- [9:38]
andy_tadzio - 4 -- [7:01]
andy_tadzio - 5 -- [2:58]
andy_tadzio - 6 -- [5:46]
andy_tadzio - 7 -- [4:16]
andy_tadzio - 8 -- [12:18]
andy_tadzio - 9 -- [3:50]
andy_tadzio - 10 -- [8:25]
andy_tadzio - 11 -- [7:16]
andy_tadzio - 12 -- [5:09]


June 5, 2017
Music
hopeless bone


June 3, 2017
Music
live solo improv: recordings at the beach


May 25, 2017
Music
where did they go


May 23, 2017
Music
andy_tadzio - 1 -- [8:44]
andy_tadzio - 2 -- [4:19]
andy_tadzio - 3 -- [5:23]
andy_tadzio - 4 -- [13:40]
andy_tadzio - 5 -- [4:54]
andy_tadzio - 6 -- [5:19]
andy_tadzio - 7 -- [3:59]
andy_tadzio - 8 -- [1:51]
andy_tadzio - 9 -- [2:00]
andy_tadzio - 10 -- [2:08]
andy_tadzio - 11 -- [8:12]
andy_tadzio - 12 -- [3:03]
andy_tadzio - 13 -- [2:16]
andy_tadzio - 14 -- [2:25]


May 19, 2017
Music
andy_neil - 1 -- [3:11]
andy_neil - 2 -- [3:34]
andy_neil - 3 -- [4:34]
andy_neil - 4 -- [6:41]
andy_neil - 5 -- [6:45]
andy_neil - 6 -- [5:50]
andy_neil - 7 -- [4:34]
andy_neil - 8 -- [5:20]
andy_neil - 9 -- [12:14]
andy_neil - 10 -- [15:35]
andy_neil - 11 -- [8:07]
andy_neil - 12 -- [12:46]


May 16, 2017
Music
tadzio_andy - 1 -- [5:52]
tadzio_andy - 2 -- [3:50]
tadzio_andy - 3 -- [4:35]
tadzio_andy - 4 -- [2:43]
tadzio_andy - 5 -- [2:45]
tadzio_andy - 6 -- [2:37]
tadzio_andy - 7 -- [3:17]
tadzio_andy - 8 -- [3:29]
tadzio_andy - 9 -- [6:27]
tadzio_andy - 10 -- [8:55]


May 13, 2017
Music
Not Vampires - 1 -- [14:15]
Not Vampires - 2 -- [6:05]
Not Vampires - 3 -- [5:50]
Not Vampires - 4 -- [3:43]
Not Vampires - 5 -- [4:34]
Not Vampires - 6 -- [5:38]
Not Vampires - 7 -- [7:39]
Not Vampires - 8 -- [6:51]
Not Vampires - 9 -- [11:40]


May 12, 2017
linux hacking on an ASUS T100TA

I've been working on a REAPER linux port for a few years, on and off, but more intensely the last month or two. It's actually coming along nicely, and it's mostly lot of fun (except for getting clipboard/drag-drop working, ugh that sucked ;). Reinventing the world can be fun, surprisingly.

I've also been a bit frustrated with Windows (that crazy defender/antispyware exploit comes to mind, but also one of my Win10 laptops used to update when I didn't want it to, and now won't update when I do), so I decided to install linux on my T100TA. This is a nice little tablet/laptop hybrid which I got for $200, weighs something like 2 pounds, has a quad core Atom Bay Trail CPU, 64GB of MMC flash, 2GB of RAM, feels like a toy, and has a really outstanding battery life (8 hours easily, doing compiling and whatnot). It's not especially fast, I will concede. Also, I cracked my screen, which prevents me from using the multitouch, but other than that it still works well.

Anyway, linux isn't officially supported on this device, which boots via EFI, but following this guide worked on the first try, though I had to use the audio instructions from here. I installed Ubuntu 17.04 x86_64.

I did all of the workarounds listed, and everything seemed to be working well (lack of suspend/hibernate is an obvious shortcoming, but it booted pretty fast), until the random filesystem errors started happening. I figured out that the errors were occurring on read, the most obvious way to test would be to run:

debsums -c
which will check the md5sum for the various files installed by various packages. If I did this with the default configuration, I would get random files failing. Interestingly, I could md5sum huge files and get consistent (correct results). Strange. So I decided to dig through the kernel driver source, for the first time in many many years.

Workaround 1: boot with:
sdhci.debug_quirks=96
This disables DMA/ADMA transfers, forcing all transfers to use PIO. This solved the problem completely, but lowered the transfer rates down to about (a very painful) 5MB/sec. This allowed me to (slowly) compile kernels for testing (which, using the stock ubuntu kernel configuration, meant a few hours to compile the kernel and the tons and tons of drivers used by it, ouch. Also I forgot to turn off debug symbols so it was extra slow).

I tried a lot of things, disabling various features, getting little bits of progress, but what finally ended up fixing it was totally simple. I'm not sure if it's the correct fix, but since I've added it I've done hours of testing and haven't had any failures, so I'm hoping it's good enough. Workaround 2 (I was testing with 4.11.0):
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2665,6 +2665,7 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 				 */
 				host->data_early = 1;
 			} else {
+				mdelay(1); // TODO if (host->quirks2 & SDHCI_QUIRK2_SLEEP_AFTER_DMA)
 				sdhci_finish_data(host);
 			}
 		}
Delaying 1ms after each DMA transfer isn't ideal, but typically these transfers are 64k-256k, so it shouldn't cause too many performance issues (changing it to usleep(500) might be worth trying too, but I've recompiled kernel modules and regenerated initrd and rebooted way way too many times these last few days). I still get reads of over 50MB/sec which is fine for my uses.

To be properly added it would need some logic in sdhci-acpi.c to detect the exact chipset/version -- 80860F14:01, not sure how to more-uniquely identify it -- and a new SDHCI_QUIRK2_SLEEP_AFTER_DMA flag in sdhci.h). I'm not sure this is really worth including in the kernel (or indeed if it is even applicable to other T100TAs out there), but if you're finding your disk corrupting on a Bay Trail SDHCI/MMC device, it might help!

6 Comments


May 8, 2017
Music
live solo improv: ahoy super8


May 5, 2017
Music
andy_tadzio - 1 -- [6:06]
andy_tadzio - 2 -- [3:44]
andy_tadzio - 3 -- [2:57]
andy_tadzio - 4 -- [3:08]
andy_tadzio - 5 -- [5:09]
andy_tadzio - 6 -- [6:46]
andy_tadzio - 7 -- [3:14]
andy_tadzio - 8 -- [3:02]
andy_tadzio - 9 -- [8:09]
andy_tadzio - 10 -- [4:24]
andy_tadzio - 11 -- [2:59]
andy_tadzio - 12 -- [3:39]


May 4, 2017
Music
war stars


April 28, 2017
Music
Decanted Youth - 1 - Rest Assured, I'm Home -- [11:38]
Decanted Youth - 2 -- [11:32]
Decanted Youth - 3 -- [7:14]
Decanted Youth - 4 -- [11:29]
Decanted Youth - 5 - Nowhere to Go -- [16:14]
Decanted Youth - 6 - Church and State -- [14:27]
Decanted Youth - 7 -- [17:51]
Decanted Youth - 8 - Andy Tributes Prince? -- [2:42]
Decanted Youth - 9 -- [14:37]


April 24, 2017
Music
Not Vampires - 1 -- [8:17]
Not Vampires - 2 -- [10:46]
Not Vampires - 3 -- [10:41]
Not Vampires - 4 -- [4:35]
Not Vampires - 5 -- [7:23]
Not Vampires - 6 -- [14:19]
Not Vampires - 7 -- [11:36]
Not Vampires - 8 -- [11:34]
Not Vampires - 9 -- [7:35]
Not Vampires - 10 -- [3:48]
Not Vampires - 11 -- [4:31]
Not Vampires - 12 -- [2:53]
Not Vampires - 13 -- [8:54]


April 23, 2017
Music
andre_cory - 1 -- [12:53]
andre_cory - 2 -- [5:48]
andre_cory - 3 -- [7:50]
andre_cory - 4 -- [7:07]
andre_cory - 5 -- [4:27]
andre_cory - 6 -- [5:48]
andre_cory - 7 -- [16:52]
andre_cory - 8 -- [22:57]
andre_cory - 9 -- [4:16]


April 18, 2017
Music
Decanted Youth - 1 -- [3:18]
Decanted Youth - 2 -- [5:00]
Decanted Youth - 3 -- [2:49]
Decanted Youth - 4 -- [13:50]
Decanted Youth - 5 -- [10:48]
Decanted Youth - 6 - Birth of Insecurity -- [10:07]
Decanted Youth - 7 -- [9:47]
Decanted Youth - 8 -- [29:14]
Decanted Youth - 9 -- [9:13]
Decanted Youth - 10 -- [15:09]
Decanted Youth - 11 - I Lay Me Down -- [3:13]
Decanted Youth - 12 - Same Song -- [5:31]
Decanted Youth - 13 -- [9:39]
Decanted Youth - 14 - Infamous but Never Named -- [2:31]


April 15, 2017
Music
cory_andre_anette - 1 -- [7:04]
cory_andre_anette - 2 -- [9:53]
cory_andre_anette - 3 -- [4:11]
cory_andre_anette - 4 -- [5:35]
cory_andre_anette - 5 -- [5:34]
cory_andre_anette - 6 -- [3:58]
cory_andre_anette - 7 -- [4:42]
cory_andre_anette - 8 -- [4:41]
cory_andre_anette - 9 -- [4:21]
cory_andre_anette - 10 -- [6:12]
cory_andre_anette - 11 -- [17:32]


April 14, 2017
Music
Not Vampires - 1 -- [10:45]
Not Vampires - 2 -- [11:04]
Not Vampires - 3 -- [3:27]
Not Vampires - 4 -- [9:49]
Not Vampires - 5 -- [13:55]
Not Vampires - 6 -- [9:25]
Not Vampires - 7 -- [7:30]
Not Vampires - 8 -- [6:16]
Not Vampires - 9 -- [9:02]
Not Vampires - 10 -- [6:25]
Not Vampires - 11 -- [20:21]


April 8, 2017
Music
Not Vampires - 1 -- [2:31]
Not Vampires - 2 -- [7:09]
Not Vampires - 3 -- [3:04]
Not Vampires - 4 -- [6:17]
Not Vampires - 5 -- [7:08]
Not Vampires - 6 -- [6:51]
Not Vampires - 7 -- [6:20]
Not Vampires - 8 -- [8:30]
Not Vampires - 9 -- [8:02]
Not Vampires - 10 -- [7:11]
Not Vampires - 11 -- [4:00]
Not Vampires - 12 -- [5:37]
Not Vampires - 13 -- [6:25]
Not Vampires - 14 -- [6:49]
Not Vampires - 15 -- [6:18]


April 7, 2017
Music
andre - 1 -- [8:49]
andre - 2 -- [19:34]
andre - 3 -- [5:58]
andre - 4 -- [8:07]
andre - 5 -- [7:06]
cory - 1 -- [23:24]
cory - 2 -- [11:05]
cory - 3 -- [10:30]


April 6, 2017
Music
foreign host


March 28, 2017
Music
Decanted Youth - 1 - A Quiet Place To Rest Your Eyes -- [9:18]
Decanted Youth - 2 - (Before Future Starts Slow) -- [9:28]
Decanted Youth - 3 - Awakenings -- [18:55]
Decanted Youth - 4 - Give It Time -- [8:38]
Decanted Youth - 5 -- [6:20]
Decanted Youth - 6 -- [4:01]
Decanted Youth - 7 -- [6:36]
Decanted Youth - 8 -- [5:38]
Decanted Youth - 9 -- [4:00]
Decanted Youth - 10 -- [6:12]
Decanted Youth - 11 -- [8:19]
Decanted Youth - 12 - More Organ (Lessons), Perhaps? -- [7:38]
Decanted Youth - 13 -- [16:01]
Decanted Youth - 14 -- [9:40]
Decanted Youth - 15 -- [13:07]
Decanted Youth - 16 -- [6:32]


March 26, 2017
Music
cory_andre - 1 -- [2:55]
cory_andre - 2 -- [8:02]
cory_andre - 3 -- [10:18]
cory_andre - 4 -- [7:39]
cory_andre - 5 -- [24:42]
cory_andre - 6 -- [4:44]
cory_andre - 7 -- [3:07]
cory_andre - 8 -- [7:22]
cory_andre - 9 -- [12:56]
cory_andre - 10 -- [11:09]
cory_andre - 11 -- [8:19]
cory_andre - 12 -- [6:03]


March 23, 2017
Music
Not Vampires - 1 -- [12:03]
Not Vampires - 2 -- [7:51]
Not Vampires - 3 -- [7:55]
Not Vampires - 4 -- [17:02]
Not Vampires - 5 -- [4:53]
Not Vampires - 6 -- [4:38]
Not Vampires - 7 -- [9:20]
Not Vampires - 8 -- [6:58]
Not Vampires - 9 -- [2:43]
Not Vampires - 10 -- [7:19]
Not Vampires - 11 -- [5:32]
Not Vampires - 12 -- [6:52]
Not Vampires - 13 -- [11:35]
Not Vampires - 14 -- [7:24]


March 21, 2017
Music
Decanted Youth - 1 - When the World is Quiet -- [4:42]
Decanted Youth - 2 - Don't Drive over the Line -- [7:06]
Decanted Youth - 3 - Dusk -- [7:19]
Decanted Youth - 4 - Sweeter -- [5:19]
Decanted Youth - 5 - Moonwalk -- [9:20]
Decanted Youth - 6 - Navigate Without Me -- [8:55]
Decanted Youth - 7 - Nowhere to Go -- [10:16]
Decanted Youth - 8 - Sea Legs on Dry Land -- [9:35]
Decanted Youth - 9 - Tales of Elsewhere -- [10:04]
Decanted Youth - 10 - Sketching -- [7:45]
Decanted Youth - 11 - Groove till Slumber -- [4:43]


March 19, 2017
Music
cory_andre_anette_andy - 1 -- [4:44]
cory_andre_anette_andy - 2 -- [5:43]
cory_andre_anette_andy - 3 -- [5:23]
cory_andre_anette_andy - 4 -- [6:17]
cory_andre_anette_andy - 5 -- [4:37]
cory_andre_anette_andy - 6 -- [4:12]
cory_andre_anette_andy - 7 -- [7:21]
cory_andre_anette_andy - 8 -- [7:16]
cory_andre_anette_andy - 9 -- [4:43]
cory_andre_anette_andy - 10 -- [4:45]
cory_andre_anette_andy - 11 -- [6:10]
cory_andre_anette_andy - 12 -- [13:34]
cory_andre_anette_andy - 13 -- [10:59]


March 16, 2017
Music
Not Vampires - 1 -- [4:45]
Not Vampires - 2 -- [13:53]
Not Vampires - 3 -- [3:31]
Not Vampires - 4 -- [2:44]
Not Vampires - 5 -- [13:02]
Not Vampires - 6 -- [3:11]
Not Vampires - 7 -- [10:43]
Not Vampires - 8 -- [12:26]
Not Vampires - 9 -- [14:21]
Not Vampires - 10 -- [7:50]
Not Vampires - 11 -- [14:33]
Not Vampires - 12 -- [18:02]


March 15, 2017
Music
seasonal mess


March 14, 2017
Music
snow and teak


March 11, 2017
Music
cory_andy - 1 -- [3:52]
cory_andy - 2 -- [13:00]
cory_andy - 3 -- [12:21]
cory_andy - 4 -- [3:38]
cory_andy - 5 -- [17:50]
cory_andy - 6 -- [18:42]
cory_andy - 7 -- [8:38]
cory_andy - 8 -- [6:35]
cory_andy - 9 -- [5:05]
cory_andy - 10 -- [12:05]
cory_andy - 11 -- [17:58]


March 7, 2017
Music
Decanted Youth - 1 - Beginnings of Sandman -- [7:08]
Decanted Youth - 2 - Waking Up -- [7:21]
Decanted Youth - 3 - Sandman Resuscitated -- [11:18]
Decanted Youth - 4 - Niente -- [4:08]
Decanted Youth - 5 - Sleep Under Water -- [11:52]
Decanted Youth - 6 - Meanderings -- [11:37]
Decanted Youth - 7 - There's a Point Where It Blends -- [5:57]
Decanted Youth - 8 - Onwards -- [7:28]
Decanted Youth - 9 - Birth of Disappear -- [9:24]
Decanted Youth - 10 - Last Light -- [8:46]
Decanted Youth - 11 - We Will Not Let You Down -- [11:28]
Decanted Youth - 12 - There's a Point Where It Bends -- [12:17]
Decanted Youth - 13 - The Beginnings of Spring -- [7:10]
Decanted Youth - 14 - Break from the Ivories -- [6:31]
Decanted Youth - 15 - Don't Be Snappy -- [9:02]


March 5, 2017
Music
cory_andre - 1 -- [6:38]
cory_andre - 2 -- [7:59]
cory_andre - 3 -- [4:51]
cory_andre - 4 -- [4:00]
cory_andre - 5 -- [13:15]
cory_andre - 6 -- [13:04]
cory_andre - 7 -- [8:50]
cory_andre - 8 -- [5:21]
cory_andre - 9 -- [4:43]
cory_andre - 10 -- [8:27]
cory_andre - 11 -- [7:03]


March 3, 2017
Music
no more of the same


March 1, 2017
Music
what the heck huh


February 28, 2017
Music
Not Vampires - 1 -- [6:55]
Not Vampires - 2 -- [2:51]
Not Vampires - 3 -- [7:00]
Not Vampires - 4 -- [5:39]
Not Vampires - 5 -- [5:31]
Not Vampires - 6 -- [5:54]
Not Vampires - 7 -- [18:06]
Not Vampires - 8 -- [9:04]
Not Vampires - 9 -- [9:56]
Not Vampires - 10 -- [12:51]
Not Vampires - 11 -- [6:18]
Not Vampires - 12 -- [12:34]
Not Vampires - 13 -- [5:47]


February 26, 2017
Music
cory_anette_andre - 1 -- [3:45]
cory_anette_andre - 2 -- [7:21]
cory_anette_andre - 3 -- [6:02]
cory_anette_andre - 4 -- [5:24]
cory_anette_andre - 5 -- [4:51]
cory_anette_andre - 6 -- [4:24]
cory_anette_andre - 7 -- [5:13]
cory_anette_andre - 8 -- [2:39]
cory_anette_andre - 9 -- [2:37]
cory_anette_andre - 10 -- [4:44]
cory_anette_andre - 11 -- [5:03]
cory_anette_andre - 12 -- [3:51]
cory_anette_andre - 13 -- [4:31]
cory_anette_andre - 14 -- [8:17]
cory_anette_andre - 15 -- [5:12]
cory_anette_andre - 16 -- [6:21]


February 23, 2017
Music
no party affiliation


February 22, 2017
Music
paint pain pant


February 20, 2017
monoprint



Comment...


February 20, 2017
monoprint



1 Comment


February 18, 2017
joining the modern economy

After reading an article on hacker news about distrokid.com, I realized I could put all of my many hundreds of hours of recorded music on Spotify, Apple Music, Google Play, Amazon, etc etc etc. For $20/year. I wouldn't expect to earn any money whatsoever for my recordings, but it would be entertaining.

So, as a result, step 1 of this process is complete -- which is to say that I put together an album from many of my recent Super8/REAPER-produced recordings. 18 of them, to be exact, totalling about 45 minutes of music, with words. Every song has words. As a result, I titled this album "Songs with Words".

This album, which is incredible in the 2017 sense only, is available via Spotify, Apple Music, Google Play, probably others too (search for my name in the respective service) -- and of course it is available for free in streamable/downloadable form via music.1014.org, or here:


More albums will probably soon follow, one or two volumes of instrumentals will be next.



Recordings:

cory_andre_anette_aubrey - 1 -- [3:12]
cory_andre_anette_aubrey - 2 -- [4:01]
cory_andre_anette_aubrey - 3 -- [5:43]
cory_andre_anette_aubrey - 4 -- [6:39]
cory_andre_anette_aubrey - 5 -- [4:05]
cory_andre_anette_aubrey - 6 -- [5:19]
cory_andre_anette_aubrey - 7 -- [4:34]
cory_andre_anette_aubrey - 8 -- [5:16]
cory_andre_anette_aubrey - 9 -- [5:35]
cory_andre_anette_aubrey - 10 -- [4:42]
cory_andre_anette_aubrey - 11 -- [3:13]
cory_andre_anette_aubrey - 12 -- [5:21]
cory_andre_anette_aubrey - 13 -- [5:01]
cory_andre_anette_aubrey - 14 -- [2:59]
cory_andre_anette_aubrey - 15 -- [4:09]
cory_andre_anette_aubrey - 16 -- [6:17]
cory_andre_anette_aubrey - 17 -- [7:37]
cory_andre_anette_aubrey - 18 -- [13:45]

1 Comment


February 17, 2017
Music
cory_andy - 1 -- [5:38]
cory_andy - 2 -- [21:25]
cory_andy - 3 -- [5:10]
cory_andy - 4 -- [16:38]
cory_andy - 5 -- [9:29]
cory_andy - 6 -- [23:14]
cory_andy - 7 -- [13:14]
cory_andy - 8 -- [7:16]
cory_andy - 9 -- [8:34]
cory_andy - 10 -- [5:59]
cory_andy - 11 -- [9:25]
cory_andy - 12 -- [15:27]


February 16, 2017
Music
Not Vampires - 1 -- [6:45]
Not Vampires - 2 -- [7:49]
Not Vampires - 3 -- [9:15]
Not Vampires - 4 -- [5:19]
Not Vampires - 5 -- [5:40]
Not Vampires - 6 -- [8:59]
Not Vampires - 7 -- [3:55]
Not Vampires - 8 -- [3:31]
Not Vampires - 9 -- [7:18]
Not Vampires - 10 -- [5:28]
Not Vampires - 11 -- [17:53]
Not Vampires - 12 -- [7:59]


February 11, 2017
Music
coryanetteandre - 1 -- [3:29]
coryanetteandre - 2 -- [4:40]
coryanetteandre - 3 -- [3:59]
coryanetteandre - 4 -- [4:08]
coryanetteandre - 5 -- [6:40]
coryanetteandre - 6 -- [5:19]
coryanetteandre - 7 -- [4:52]
coryanetteandre - 8 -- [5:58]
coryanetteandre - 9 -- [3:49]
coryanetteandre - 10 -- [4:54]
coryanetteandre - 11 -- [5:29]
coryanetteandre - 12 -- [4:07]
coryanetteandre - 13 -- [5:52]
coryanetteandre - 14 -- [5:26]
coryanetteandre - 15 -- [3:39]
coryanetteandre - 16 -- [6:54]
coryanetteandre - 17 -- [8:47]
no sympathy
not yours to give


February 10, 2017
Music
Not Vampires - 1 -- [7:29]
Not Vampires - 2 -- [5:58]
Not Vampires - 3 -- [11:49]
Not Vampires - 4 -- [14:07]
Not Vampires - 5 -- [7:51]
Not Vampires - 6 -- [7:23]
Not Vampires - 7 -- [3:42]
Not Vampires - 8 -- [15:40]
Not Vampires - 9 -- [8:21]
Not Vampires - 10 -- [10:53]
Not Vampires - 11 -- [10:11]
Not Vampires - 12 -- [5:05]
Not Vampires - 13 -- [8:04]
Not Vampires - 14 -- [11:15]


February 7, 2017
Music
bathprobes


February 4, 2017
Music
andredoug - 1 -- [15:15]
andredoug - 2 -- [12:19]
andredoug - 3 -- [11:36]
andredoug - 4 -- [19:47]


February 3, 2017
Music
Not Vampires - 1 -- [5:57]
Not Vampires - 2 -- [12:24]
Not Vampires - 3 -- [7:03]
Not Vampires - 4 -- [7:00]
Not Vampires - 5 -- [9:36]
Not Vampires - 6 -- [19:24]
Not Vampires - 7 -- [12:57]
Not Vampires - 8 -- [13:06]
Not Vampires - 9 -- [21:44]


February 2, 2017
macOS screen updating, 2017 edition

TL;DR: Retina iMac (4k/5k) owners can greatly improve the graphics performance of many applications (including REAPER) by setting the color profile (in System Preferences, Displays, Color tab) to "Generic RGB" or "Adobe RGB." (and restarting REAPER and/or other applications being tested)

I previously wrote in mid-2014 about the state of blitting bitmaps to screen on modern OS X (now macOS) versions. Since then, Apple has released new hardware (including Retina iMacs) and a couple of new macOS versions.

Much of that article is still useful today, but I made a mistake in the second update:

    OK, if you provide a bitmap that is twice the size of the drawing rect, you can avoid argb32_image_mark_RGBXX, and get the Retina display to update in about 5-7ms, which is a good improvement (but by no means impressive, given how powerful this machine is). I made a very simple software scaler (that turns each pixel into 4), and it uses very little CPU.
While this was helpful (and did decrease the amount of time spent blitting), it was wrong in that the reason for the faster blit was that the system was parallelizing the blit with multiple cores. So, it was faster, but it also used more CPU (and was generally wasteful).

I discovered this because I've been researching how to improve REAPER's graphic performance on the iMac 5k in particular, so I started benchmarking. This time around, I figured I should measure how many screen pixels are updated and divide that by how long it takes. Some results, based on my memory (I'm not going to rerun them for this article, laziness).

Initial version (REAPER 5.32 state, using the retina hack described above, public WDL as of today):
  • old C2D iMac, 10.6: 350MPix/sec
  • mid-2012 RMBP 15", 10.12, Thunderbolt display (non-retina): 1500MPix/sec
  • mid-2012 RMBP 15", 10.12, built-in display (retina): 800MPix/sec
  • late-2015 Retina iMac 5k, 10.12: 192MPix/sec
The one that really jumped out at me was the Retina iMac 5k -- it's a quarter of the speed of the RMBP! WTF. We'll get to that later.

After I realized the hack above was actually doing more work (thank you, Xcode instrumentation), I did some more experiments, avoiding the hack, and found that in the newer SDKs there are kCGImageByteOrderXYZ flags (I don't believe it was in previous SDKs), and found that these alised to KCGBitmapByteOrderXYZ, and that when using kCGBitmapByteOrder32Host with the pixel format for CGImageCreate()/etc, it would speed things up. With retina hack removed:
  • mid-2012 RMBP 15", 10.12, built-in display (retina): 300MPix/sec
  • late-2015 Retina iMac 5k, 10.12: 152MPix/sec
With retina hack removed and byte order set to host:
  • old C2D iMac, 10.6: 350MPix/sec
  • mid-2012 RMBP 15", 10.12, Thunderbolt display (non-retina): 1500MPix/sec
  • mid-2012 RMBP 15", 10.12, built-in display (retina): 720MPix/sec
  • late-2015 Retina iMac 5k, 10.12: 200MPix/sec
The non-retina displays might have changed slightly, but it was insignificant. So, by setting the byte order to native, we get the Retina MBP close to the level of performance of the hack, which isn't great but is serviceable, and at least the CPU use is decreased. This also has the benefit (drawback?) of making the byte-order of pixels the same on macOS/Intel and win32, which will take some more attention (and a lot of testing).

From profiling and looking at the code, this blit performance could easily be improved by Apple -- the inner loop where most time is being spent does a lot more than it needs to. Come on Apple, make us happy. Details offered on request.

Of course, this really doesn't do anything for the iMac 5k -- 200MPix/sec is *TERRIBLE*. The full screen is 15 megapixels, so at most that gets you around 13fps, and that's at 100% CPU use. After some more profiling, I found that the function chewing the most CPU ended in "64". Then it hit me -- was this display running in 16 bits per channel? A quick google search later, it was clear: the Retina iMacs have 10-bit displays, and you can run them in 10 bits per channel, which means 64 bits per pixel. macOS is converting all of our pixels to 64 bits per pixel (I should also mention that it seems to be doing a very slow job of it). Luckily, changing the color profile (in system preferences, displays) to "Generic RGB" or similar disables this, and it gets the ~800MPix/sec level of performance similar to the RMBP, which is at least tolerable.

Sorry for the long wordy mess above, I'm posting it here so that google finds it and anybody looking into why their software is slow on macOS 10.11 or 10.12 on retina imacs have some explanation.

Also please please please Apple optimize CGContextDrawImage()! I'm drawing an image with no alpha channel and no interpolation and no blend mode and the inner loop is checking each pixel to see if the alpha is 255? I mean wtf. You can do better. Hell, you've done way better. All that "new" Retina code needs optimizing!

Update a few hours later:
Fixing various issues with the updated byte-ordering, CoreText produces quite different output for CGBitmapContexts created with different byte orderings:


Hmph! Not sure which one is "correct" there... hmm... If you use kCGImageAlphaPremultipliedFirst for the CGBitmapContext rather than kCGImageAlphaNoneFirst, then it looks closer to the original, maybe. ?

Also other caveat: NSBitmapImageRep can't seem to deal with the ARGB format either, so if you use that you need to manually bswap the pixels...

Update (2019): SolvedWorked around most of this issue by using Metal, read here.

4 Comments


January 31, 2017
Music
live solo improv: super8 xuck a duck


January 27, 2017
Music
cory_anette_andre - 1 -- [5:58]
cory_anette_andre - 2 -- [9:48]
cory_anette_andre - 3 -- [4:42]
cory_anette_andre - 4 -- [4:29]
cory_anette_andre - 5 -- [5:01]
cory_anette_andre - 6 -- [5:31]
cory_anette_andre - 7 -- [4:43]
cory_anette_andre - 8 -- [5:39]
cory_anette_andre - 9 -- [4:44]
cory_anette_andre - 10 -- [5:04]
cory_anette_andre - 11 -- [3:23]
cory_anette_andre - 12 -- [5:27]
cory_anette_andre - 13 -- [4:36]
cory_anette_andre - 14 -- [5:03]
Not Vampires - 1 -- [3:24]
Not Vampires - 2 -- [6:16]
Not Vampires - 3 -- [9:01]
Not Vampires - 4 -- [8:49]
Not Vampires - 5 -- [13:09]
Not Vampires - 6 -- [6:00]
Not Vampires - 7 -- [21:33]
Not Vampires - 8 -- [14:30]
Not Vampires - 9 -- [6:11]
Not Vampires - 10 -- [2:59]
something eh


January 26, 2017
Music
live solo improv: angry super8


January 20, 2017
oh dear

where has the time gone? HNY and stuff.

I was honored to be asked to open for the Silver Sound Showdown festival at the Brooklyn Bowl this year. It was an amazing experience. I used the following tools:

  • Thinkpad X60 laptop with a 1.83GHz Core 2 Duo CPU and 2GB RAM.
    I updated this to Windows 10, but for the month before the show while practicing I wouldn't connect it to the internet. I was afraid I'd get to the venue and it'd start installing updates... Or at bets when it tried to download some it'd interrupt the audio.
  • Zoom R24 audio interface/control surface
    Zoom gave me this one a while back, kindly, and it's really great. My only wish would be that I could use the drum trigger buttons to send MIDI to REAPER... but it works well anyway.
  • Line6 FBV Express Mk II pedal (you can use this via USB without a Line6 amp)
  • 2x dynamic mics
  • Home made wood furniture to hold the laptop and audio interface
  • Electric guitar (direct-in to the Zoom's Hi-Z port)
  • Flute (amazon $100 special)
  • House drum kit
    I brought my cymbals, but my ride wouldn't fit in my case so I brought the crash to use as a ride, wasn't ideal)
  • REAPER, Super8 (JSFX), plug-ins
    ReaDelay, ReaEQ, various other JSFX, and the classic SimulAnalog JCM900 VST. I also wrote a spectral hold that samples the master output, and another instance which synthesizes from a track with anticipative FX threads, for better performance.
    In hindsight I should've used the headphones I had brought for monitoring, rather than the stage monitors, but oh well.
The performance was completely improvised, and while it has quite a few rough spots there are at least a few nice bits in there.

Here's a video (shot with a Contour Roam 2 pointed at my blurred-out crotch, and mixed with the audio recorded by REAPER itself):
(youtube link)

Muchas gracias to Silver Sound for having me and to everybody who came out to see the show! Woohoo! Let's not talk about what happened today.

Recordings:

not enough recovery

1 Comment


January 18, 2017
Music
Not Vampires - 1 -- [2:19]
Not Vampires - 2 -- [5:22]
Not Vampires - 3 -- [6:24]
live solo improv: super8 live at brooklyn bowl
warming up with a knot in the stomach


January 16, 2017
Music
live solo improv: super8 final practice


January 14, 2017
Music
andre - 1 -- [13:01]
andre - 2 -- [6:09]
andre - 3 -- [5:12]
andre - 4 -- [4:24]
andre - 5 -- [8:54]
andre - 6 -- [9:12]
andre - 7 -- [14:38]
live solo improv: super8 selfrec


January 11, 2017
Music
live solo improv: super8 ok


January 10, 2017
Music
Not Vampires - 1 -- [4:27]
Not Vampires - 2 -- [7:14]
Not Vampires - 3 -- [6:26]
Not Vampires - 4 -- [4:28]
Not Vampires - 5 -- [4:05]
Not Vampires - 6 -- [8:30]
Not Vampires - 7 -- [3:52]
Not Vampires - 8 -- [3:51]
Not Vampires - 9 -- [11:05]
Not Vampires - 10 -- [4:41]
Not Vampires - 11 -- [9:05]
Not Vampires - 12 -- [7:32]
Not Vampires - 13 -- [3:50]
Not Vampires - 14 -- [6:52]


January 9, 2017
Music
live solo improv: failure is an option


January 6, 2017
Music
live solo improv: super8 headphoneless


January 4, 2017
Music
Not Vampires - 1 -- [6:15]
Not Vampires - 2 -- [5:38]
Not Vampires - 3 -- [8:32]
Not Vampires - 4 -- [19:33]
Not Vampires - 5 -- [7:14]
Not Vampires - 6 -- [3:16]
Not Vampires - 7 -- [8:19]
Not Vampires - 8 -- [4:59]
Not Vampires - 9 -- [5:25]
Not Vampires - 10 -- [5:17]
Not Vampires - 11 -- [4:22]
Not Vampires - 12 -- [10:19]
Not Vampires - 13 -- [8:26]
Not Vampires - 14 -- [5:37]


January 2, 2017
Music
live solo improv: super8 newness


December 31, 2016
Music
live solo improv: super8 nynyny


December 28, 2016
Music
live solo improv: super8 failing the day away


December 24, 2016
Music
live solo improv: super8 rough start


December 21, 2016
Music
live solo improv: super8 shorty


December 17, 2016
Music
cory_andre_anette - 1 -- [3:23]
cory_andre_anette - 2 -- [4:29]
cory_andre_anette - 3 -- [3:40]
cory_andre_anette - 4 -- [7:48]
cory_andre_anette - 5 -- [5:14]
cory_andre_anette - 6 -- [5:20]
cory_andre_anette - 7 -- [3:58]
cory_andre_anette - 8 -- [5:53]
cory_andre_anette - 9 -- [5:58]
cory_andre_anette - 10 -- [6:00]
cory_andre_anette - 11 -- [3:30]
cory_andre_anette - 12 -- [5:30]
cory_andre_anette - 13 -- [2:32]
cory_andre_anette - 14 -- [4:03]
cory_andre_anette - 15 -- [3:30]
cory_andre_anette - 16 -- [3:48]
live solo improv: super8 live buggage


December 16, 2016
Music
Not Vampires - 1 -- [5:10]
Not Vampires - 2 -- [3:42]
Not Vampires - 3 -- [12:05]
Not Vampires - 4 -- [5:55]
Not Vampires - 5 -- [2:41]
Not Vampires - 6 -- [14:42]
Not Vampires - 7 -- [20:33]
Not Vampires - 8 -- [6:54]
Not Vampires - 9 -- [18:15]
Not Vampires - 10 -- [9:09]
Not Vampires - 11 -- [3:11]
Not Vampires - 12 -- [9:29]


December 15, 2016
Music
visual distraction


December 13, 2016
Music
live solo improv: super8 practice


December 9, 2016
Music
andy_tadzio - 1 -- [4:16]
andy_tadzio - 2 -- [6:35]
andy_tadzio - 3 -- [2:48]
andy_tadzio - 4 -- [2:34]
andy_tadzio - 5 -- [3:45]
andy_tadzio - 6 -- [6:38]
andy_tadzio - 7 -- [10:53]
andy_tadzio - 8 -- [15:15]
andy_tadzio - 9 -- [11:21]
andy_tadzio - 10 -- [8:20]
andy_tadzio - 11 -- [4:02]


December 8, 2016
Music
cold afternoon


December 7, 2016
Music
live solo improv: super8 jam
there is not enough coffee


December 4, 2016
monotype spoon



1 Comment


December 3, 2016
Music
andre_anette - 1 -- [3:19]
andre_anette - 2 -- [2:56]
andre_anette - 3 -- [9:37]
andre_anette - 4 -- [15:07]
andre_anette - 5 -- [7:11]
andre_anette - 6 -- [8:17]
andre_anette - 7 -- [7:42]
live solo improv: super8 more


December 2, 2016
Music
Not Vampires - 1 -- [6:31]
Not Vampires - 2 -- [4:45]
Not Vampires - 3 -- [5:55]
Not Vampires - 4 -- [9:24]
Not Vampires - 5 -- [8:55]
Not Vampires - 6 -- [5:57]
Not Vampires - 7 -- [3:02]
Not Vampires - 8 -- [7:20]
Not Vampires - 9 -- [8:41]
Not Vampires - 10 -- [4:30]
Not Vampires - 11 -- [3:53]
Not Vampires - 12 -- [4:20]
Not Vampires - 13 -- [3:23]
Not Vampires - 14 -- [4:34]
Not Vampires - 15 -- [3:11]
Not Vampires - 16 -- [4:26]
Not Vampires - 17 -- [4:43]
Not Vampires - 18 -- [3:23]
Not Vampires - 19 -- [7:42]
Not Vampires - 20 -- [3:35]
Not Vampires - 21 -- [6:20]
Not Vampires - 22 -- [3:41]


November 29, 2016
Music
almost over
with a web


November 27, 2016
Music
biderman_evan - 1 -- [6:39]
biderman_evan - 2 -- [3:43]
biderman_evan - 3 -- [5:28]
biderman_evan - 4 -- [14:44]
making due


November 20, 2016
Music
cheeky like a sieve


November 19, 2016
Music
lost something that did not exist


November 18, 2016
Music
dropping trou


November 17, 2016
Music
live solo improv: super8 solo again


November 14, 2016
Music
live solo improv: super8 and spectral hold


November 13, 2016
Music
waiting for unknown object


November 10, 2016
Music
reappropriated
wait wait what


November 5, 2016
Music
before the loss
better the second time


November 3, 2016
drink n monotype



Recordings:

choices of the day
dark sky
somewhat dialed in

Comment...


November 3, 2016
drink n monotype



Comment...


November 3, 2016
drink n monotype



Comment...


November 3, 2016
drink n monotype



1 Comment


November 3, 2016
drink n monotype



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